42439595 has 8 divisors (see below), whose sum is σ = 55557360. Its totient is φ = 30865120.

The previous prime is 42439583. The next prime is 42439601. The reversal of 42439595 is 59593424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42439595 - 2¹⁸ = 42177451 is a prime.

It is a super-2 number, since 2×42439595² = 3602238447528050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385760 + ... + 385869.

It is an arithmetic number, because the mean of its divisors is an integer number (6944670).

Almost surely, 2^42439595 is an apocalyptic number.

42439595 is a deficient number, since it is larger than the sum of its proper divisors (13117765).

42439595 is a wasteful number, since it uses less digits than its factorization.

42439595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771645.

The product of its digits is 194400, while the sum is 41.

The square root of 42439595 is about 6514.5679058553. The cubic root of 42439595 is about 348.8111911573.

It can be divided in two parts, 42439 and 595, that added together give a palindrome (43034).

The spelling of 42439595 in words is "forty-two million, four hundred thirty-nine thousand, five hundred ninety-five".